Search:

Type: Posts; User: ArikB; Keyword(s):

Search: Search took 0.00 seconds.

  1. Re: Determining pack and hold times for valve gates and hot runner molds

    The process window is something I do during each development regardless of whether it's called for or not. It's an excellent but underutilized tool these days.

    One thing different about our...
  2. Replies
    9
    Views
    6,498

    Re: Help!!!!...My boss wants me to prove him wrong

    I'm going to side with your boss. I would bet you a nickle that your vents are being restricted due to plate out of the virgin material.
  3. Re: Looking back to your first few years in molding ...

    Wireless pendant for overhead hoist froze up with the up bottom actuated. Lifted a 100 ton cinci vista all the way to the roof.
  4. Replies
    3
    Views
    12,765

    Re: Tuning a Van Dorn

    lol good luck. I asked a Van Dorn rep that same question and didnt get much in the way of intelligible answers.

    We lock in our processes which kindve limits the amount of processing our...
  5. Replies
    2
    Views
    5,580

    Re: Endcap/Barrel Removal

    I would just like to point out that if you are going 3-4 years without looking at your screw and barrel conditions you probably nailed it when you said those are the ones you have the most problems...
  6. Replies
    2
    Views
    4,348

    Re: short shot study with valve gates

    Is your fill time approaching 9 seconds? If not, why would you keep the gates open for that long?

    I work with a lot of multi cavity sequential valve gates running D3 processes and they do present...
  7. Replies
    14
    Views
    14,705

    Re: Plasticicsing time variation

    A tact temp study should have been done during process development. This will tell you the exact temp to have your rear zone set for the most efficient throughput by your equipment. If this has...
  8. Thread: Charging help

    by ArikB
    Replies
    13
    Views
    14,544

    Re: Charging help

    Do a rear zone tact temp study to determine the proper temp to set your rear zone at. This is often overlooked by molders. Your plastic needs to "slip" on the screw and "stick" to the barrel. After...
  9. Replies
    4
    Views
    6,214

    Re: Pesky sub-gates...

    Gates are worn out.
  10. Replies
    11
    Views
    9,142

    Re: help with new tool

    Its slipping past the NRV. Pull the screw, mic the barrel and screw, and check the NRV. Also look at your decompression. There needs to be enough so that the NRV seats before the screw hits the melt.
  11. Thread: ways to improve

    by ArikB
    Replies
    13
    Views
    9,923

    Re: ways to improve

    Your question is a little too vague or perhaps Im used to different terminology here in the states. When I read "ways to improve a processing department" I think of the process itself and not the...
Results 1 to 11 of 11